Accession Number : AD0782551

Title :   An Evaluation of an Exhaust Muffler for Open Circuit Scuba Developed by the U.S. Navy Mine Defense Laboratory,

Corporate Author : NAVY EXPERIMENTAL DIVING UNIT WASHINGTON D C

Personal Author(s) : Hanger,G. W. ; Haslip,G. ; Linaweaver,P. G. ; Searle,W. F. , Jr

Report Date : 01 OCT 1958

Pagination or Media Count : 107

Abstract : An exhaust muffler of noise suppression device, for installation in the exhaust circuit of an open-circuit scuba, is given extensive mechanical respirator and subjective tank evaluation and limited field test. The device has definite respiratory limitations and its use is consequently recommended to be restricted to light work and to specific depths. (Modified author abstract)

Descriptors :   *Diver equipment, *Breathing apparatus, *Noise reduction, *Scuba diving, Exhalation, Resistance, Test methods

Subject Categories : Life Support Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE